How are the scale like parts of hair formed?

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Answer 1
This occurs when the cytoplasm is replaced by hard keratin over time as the skin changes, this is what results in the scale like patterns that are observed.

Related Questions

What would you perceive if the optic nerve were mechanically stimulated?

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Stimulating the optic nerve might cause flashes of light to appear in one's vision. This would happen due to an on/off stimulation of the neurons that would cause, at times, full light stimulation, and at other times, no stimulation.
Final answer:

If the optic nerve is mechanically stimulated, it may produce perceived sensations of light called phosphenes, although there would likely not be regular imagery like that produced by normal light stimulation. Additionally, mechanical stimulation doesn't typically affect pupillary responses.

Explanation:

If the optic nerve were mechanically stimulated, you would likely perceive some form of visual sensation. This is due to the nature of the optic nerve, which sends signals from your retina to your brain. These signals are usually instigated by light hitting photoreceptor cells in the retina, but mechanical stimulation could potentially cause a similar effect.

However, mechanical stimulation likely will not produce regular images as typically formed by the eye. Instead, it may produce what are known as phosphenes - perceived sensations of light caused by stimulation of the visual system other than by light itself. For example, applying pressure to the eyeball can mechanically stimulate the optic nerve and cause the perception of light flashes.

In connection to the provided reference, this process is not to be confused with the automatic responses of the pupil - its dilation and constriction in response to light. These responses are coordinated by signals from the optic nerve travelling to the brain, then relayed via the oculomotor nerve (for pupil constriction) and sympathetic pathways (for dilation) to the iris. Mechanical stimulation wouldn't result in this detailed process - rather it would likely cause a simpler, direct response such as the perception of light flashes.

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Which cells does the nurse identify as producing thyrocalcitonin hormone?

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Parafollicular cells, which are also known as the C-cells, of our thyroid gland. Thyrocalcitonin hormone helps in regulating the calcium and phosphate levels in the blood. It acts to reduce the level of calcium in the blood. It obstructs the osteoclasts activities which are responsible for the breaking down of the bones. It also reduced the absorption of calcium in our kidneys in order to lower the calcium level in our blood. 

How has nearly all the food we eat been "genetically modified" in the broadest sense of the term?

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In the broadest sense of the term, we have modified the genes of almost everything. We used selective breeding to breed the most resistant form of crops, the largest sized chickens, and others. In recent years we have even modified them through gene splicing and other methods. Nearly everything we eat, including including "organic" foods have been changed from their original DNA structure, in fact we do not even know anything's original genetic structure because of this. Genetic modification could also include mutations. Some crops have mutated due to pollution, disease, or other effects such as climate change. Without genetic modification our world would differ from what it looks like today.

To study cells with a light microscope different types of stains are usually available. why is it generally more useful to stain eukaryotic cells than prokaryotic cells?

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Cells are difficult to see in light microscopy,so to help visualize the structure of cell ,dyes are used to impart a particular color to cells. Eukaryotic cells have both acidic and basic components so, Hematoxylin and Eosin staining is the standard method of staining used for an eukaryotic cell. Hematoxylin is a basic dye that binds to negatively charged DNA and RNA and is blue in colour.Eosin is pink in color and it binds to positively charged particles like the mitochondria and other components of cytoplasm.

Are characterized by being mostly aquatic and microscopic, having zoospores and gametes with flagella.

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The features listed above describe a class of fungi commonly called CHYTRIDS. Chytrids are mostly aquatic and microscopic and their zoospores and gametes have flagella. Examples of fungi that fall into this group are blastocladiomycota and chytridiomycota.

FUNGI are characterized by being mostly aquatic and microscopic that have zoospores and gametes with flagella.

Fungi is a group of microorganisms that are saprophytic achlorophyllous. These do not make their own food and grow on dead and decaying matters. These are decomposers. These are mostly aquatic and also cause diseases in humans.

The nurse is caring for a patient who has been diagnosed with pneumonia. the patient reports intermittent episodes of cough accompanied with thick yellow sputum. on auscultation, the nurse finds abnormal lung sounds (crackles) in the left base and both upper lobes. a chest x-ray reveals infiltrations in both upper lobes and the left lower lobe. which instructions given by the nurse are appropriate for this patient? select all that apply.

Answers

The question lacks the options. I found the answer on the internet.

Following are the instructions that the nurse should give to the patient suffering with pneumonia followed by intermittent episodes of cough and thick yellow sputum:
1. Drink a lot warm water to keep hydrated.
2. Do deep breathing exercises once in every two hours. This will increase the oxygen uptake by the lungs.
3. DO not avoid walking. Walk as much as possible for good mobility and functioning of the body.

What is the contribution made to the development of the microscope by Charles  Spencer?
 A. first to document careful observations of different cell types
 B.identifying the first cell
C. used mathematics to improve the focus of the lens
 D. created the  first microscope
E. discovered the electron microscope
 F. built microscopes capable of magnification of up to 1250 x using regular light

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built microscopes capable of magnification of up to 1250 x using regular light
Charles built microscopes that were capable of magnification up to 1250 times using regular light, and up to 5000 times using a blue light source.

What major geographic event took place during the Mesozoic Era?

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Cretaceous jurassic triasic

How does heat transferred through radiation different from conduction and convection /7622668/12287573?utm_source=registration

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Conduction means the flow of heat between two objects that are in thermal contact.There is no actual mass transfer,only the thermal energy is passed from layer to layer.
Convection means transfer of heat between fluids by actual mass transfer. It occurs only in fluids.
Radiation means the emission of thermal energy in the form of electromagnetic waves by an object.

The three different ways of heat transfer include radiation, conduction, and convection of heat energy.

What are the processes of heat transfer?

There are three ways in which heat is transferred into and through the atmosphere including radiation, conduction, and convection.

Radiation is energy which comes from a source and travels through the space at the speed of light. This energy has an electric field and a magnetic field which are associated with it, and has wave-like properties.

Conduction is the process through which heat energy is transmitted through collisions of particles between neighboring atoms or molecules. Conduction occurs more readily in solids and liquids, where the particles are more closer together than in that of gases, where particles are further apart from each other.

Convection is the process of heat transfer through the bulk movement of molecules within fluids such as gases and liquid molecules. The initial heat transfer between the objects and the fluids takes place through conduction, however the bulk heat transfer happens due to the motion of fluid.

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Health impact assessment: a tool to help policy makers understand health beyond health care

Answers

Marketing: we have to be conscious of the fact that the politics don't care about our health, so, with a good marketing and good policies, we can change the world

Answer:

Marketing

Explanation:

The test that determines the amount of different types of immunoglobulins in the blood is ________.

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known as antibody titer test

which function function for prokaryotes is described by binary fission?

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answer is reproduction

Answer:

Binary fission or bipartition is a way of asexual reproduction

Explanation:

Most bacteria depend on binary fission to spread. Conceptually, this process is simple; The cell simply needs to grow twice its size and then divides into two. But, in order to remain viable and competitive, the bacteria have to divide at their own time, in their own place, and they must provide each stem. The cell division of the bacteria is studied in many parts of the world. This research is revealing the genetic mechanisms that direct and regulate bacterial cell division. Understanding the mechanisms of these processes is of great interest because this allows the development of chemical products and new antibiotics aimed at interfering with the cell division of bacteria.

Before binary fission occurs, the cell must copy its genetic material (DNA) and deposit it at the ends of the cell, likewise copying the different types of proteins that the new cell division machinery will include.

Silicon dioxide, SiO2, is a(n) _____.

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Silicon dioxide is a covalent compound which is polyatomic and has three atoms in each molecule.i think this is write 

Answer:

The correct answer would be- compound.

Explanation:

SiO2 or silicon dioxide is an oxide of silica that is a compound commonly known as silica. It is normally present in quartz and in different organisms naturally.

It is a major constituent of the sand. This compound has two molecules of oxygen and one molecule of silica and one of the abundant compounds present on the earth.

Thus, the correct answer is - compound.

The irregular ridge on the midline of the scrotum, formed from fusion of the urethral folds during development is the

Answers

It's called the raphe.

Which of the following would mostlikely increase the rate of photosynthesis? 

       A. Decreasing the temperature within the plant's environment   B. Decrease the availability of water to the plant   C. Changing a plant's light source to a lower brightness   D. Exposing a plant to a higher light intensity

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D because plants take food from the sun
I think this one is straight foreword. D would be the answer: more light, more photosynthesis.

Which enzyme is responsible for unzipping the dna double helix?

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The enzyme that untwists and unzips the double helix of DNA at the replication forks is called helicase, A protein that functions in DNA replication, helping to relieve strain in the double helix ahead of the replication fork.

The enzyme responsible for unzipping the DNA double helix is DNA helicase.

What is DNA?It stands for deoxyribonucleic acid and is a genetic material.It is a long chain of polynucleotide.Each nucleotide consists of: deoxyribose sugar (carbon-containing compound), phosphate group and nitrogenous bases (nitrogen-containing compound).Nitrogenous bases is of two types: Purines (consisting Adenine and Guanine) and Pyrimidine (consisting Cytosine and Thymine).It is a double helical structure in which Adenine pairs with Thymine by forming two hydrogen bonds whereas Guanine pairs with Cytosine by forming three hydrogen bonds.In order to start replication this DNA helix should be unwind. This is done with the help of enzyme DNA helicase.What is DNA helicase?"It is a class of enzymes that catalyze the separation of duplex nucleic acids into single strands in an ATP-dependent reaction."

Hence, the enzyme used for unzipping DNA double helix is DNA helicase.

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The field of genetics that studies the molecular mechanisms by which environments trigger genetic expression is known as:

Answers

try 'epigenetics'
The prefix 'epi' basically means on, against, toward so this is the environment acting towards or upon the expression of genes.
Epigenetics. Quizlet has a wonderful selection of vocabulary if you plan on further studying this too.

What is the term for an organism that makes its own source of chemical energy?

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That would be a producer. 

Which type of microscope should sherman use to try to see the 3-dimensional shape of a virus in the patient's sample?

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A Scanning Electron Microscope (SEM) should be used by Sherman to try to see the 3-dimensional shape of a virus in the patient's sample.
SEM is a type of electron microscopy that can scan the surface of the object to be viewed with the help of the beam of electrons and can give clear and detailed structure of that object. It produces the image in 3-dimension.

Answer: Scanning electron microscope

Explanation:

A gene contains the sequence ggctaac. what is the sequence of the mrna transcribed from this strand of dna?

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adenine pairs with thymine (in dna) in mrna thymine is replaced with uracil. guanine and cytosine pair together in either.
so in mrna it would be ggcuaac
(and if you need it, its complementary strand is ccgauug)

how are limestone and shells connected to the carbon cycle plz answer and fast

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Final answer:

Limestone and shells are connected to the carbon cycle through the process of carbon sequestration. Marine organisms extract calcium carbonate from the water to build their shells, which eventually accumulate on the ocean floor and form limestone deposits. This process helps to remove and store carbon from the atmosphere.

Explanation:

Limestone and shells are connected to the carbon cycle through the process of carbon sequestration. When carbon dioxide  dissolves in water, it reacts with water molecules to form calcium carbonate, which is a major component of limestone and shells. Marine organisms, such as clams and corals, extract calcium carbonate from the water to build their shells. Over time, these shells accumulate on the ocean floor and form limestone deposits. This process helps to remove and store carbon from the atmosphere, contributing to the carbon cycle.

The measure of an organism's ability to compete in the struggle for existence is known as

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Adaptation, survival of the fittest.



Please vote my answer brainliest. thanks!

Starch, which can be obtained from bread, rice, and potatoes, is a

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The starch that is obtained from bread, rice and potatoes is a complex carbohydrate. A complex carbohydrate are being turned to or formed into glucose in which is essential for an individual in order to have energy that is important in our every day activities.

What law BEST explains why we would expect 75% of the offspring to have large teeth? A) Law of Dominance B) Law of Segregation C) Law of Filial Generations D) Law of Independent Assortment

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The best answer among the following choices would be the first option Law of Dominance.

Correct answer: A). Law of Dominance

The Mendel's law of dominance states that when a cross is done between the parents that are true for characteristics traits, then under such a situation only one of the trait will be dominant and appear in the next generation, and the other will be hidden. It will appear in the trait that is dominant.

The alleles that are expressed in are called as dominant while the characteristics that do not got express is called a recessive trait.






how do you make babies

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Male sperm enter woman’s ovaries through sexual intercourse creating an embryo.
well, a boy and a girl love eachother mso much that one magicly apears. tada! hope this helps

Microbial mats differ from biofilms in that they __________.

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The microbial mats include mainly bacteria and archaea. They are multi-layered sheet of microorganisms. Biofilm on the other hand includes many species of bacteria, as well as fungi, algae, protozoa, debris, and corrosion products. 
Microbial mats differ from biofilms in that they  are currently found only in extreme habitats.

What type of a trait results in the large variation in shoe size among humans?

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Answer: Is a quantitative trait.

A quantitative trait is a phenotype that can be measured and depends on the cumulative actions of many genes and the environment.
These traits are very variable among individuals, there is a range of phenotypes with continuous distribution. For examples: height, weight and shoe size.





a chunk of an asteroid that has broken off in outer space is called a

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A chunk of an asteroid that has broken off in outer space is called a meteoroid.A piece of an asteroid is still an asteroid, until you get down to pretty small. Then it's called a meteoroid.
the sentence could be complete in the following way: "A chunk of an asteroid that has broken off in outer space is called a Meteoroid. This is a small rocky or metallic body travelling in the space. they are smaller because they are fragments of asteroids or comets. they might be sized between grains and one meter-wide.

How did whales evolve from land mammals? Reason

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vestigial structures!! whales have a bunch of vestigial structures similar to those found in their land-living ancestors.

(vestigial structures- a structure in an organism thst has lost all or most of its original function in the course of evolution)
They slowly and gradually evolved over time from a different mammal into what they are today. Their vestigial structures (as the other person pointed out) are remnants of parts of the ancestral mammal’s body, and are proof of the evolution. The other person who answered provided a picture that displays it.

When you perspire on a hot humid day drinking water will restore?

Answers

Fluids, water, You loose salt water and electrolights when you perspire, when you drink water it doesn't have salt or electrolights it just has water so it can only replace your water
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The goal to identify whether some tasks are consistently performed poorly and/or whether there are deficient ksaos across the work force is known as: Which of these species is not endangered today thanks to successful conservation efforts? bald eagle polar bear Bengal tiger leatherback turtle Name 2 ways the diffusion of popular customs can adversely affect the environment plz answer my question. I will make it brainliest answer. have to answer both questions.Stefans family rented a rototiller to prepare an area in their backyard for spring planting. The rental company charged an initial fee of $43 with an additional fee per hour. If they paid $64 after renting the rototiller for 7 hours, what was the hourly fee? If h represents the hourly fee, which equation models this problem? h + 43 = 64h = 64 + 437h + 43 = 647h + 7 = 64 What was the hourly fee for the rototiller? $2$3$4 $5 Study the sentences below. The information looks like a paragraph, but its not. Can you figure out why? An Italian named Marconi invented the radio. The first radio was called a wireless. During World War II, most people got their news from listening to a radio. Today, people often listen to radio programs in their cars. Cell phones have changed the way people live. Everywhere you go these days, you see people talking on cell phones. Some people think cell phones make life more dangerous. They can cause accidents. People shouldnt talk on their cell phones while driving a car. Watching television can be a waste of time. Many people spend many hours every day watching television. It would be better if people would talk to each other. That would be a good idea. Some of us might discover that our neighbor is more interesting than our favorite television series You are reading a scientific article about cheetahs that have stripes down their backs instead of spots. the article refers to this as a genetic mutation. though they have no negative impact on the cheetahs' fitness, why are the stripes nevertheless considered a genetic mutation? "There is no such thing as a free lunch" is a famous economic expression that means everything has a cost. In 1 or 2 sentences, describe how this expression relates to opportunity cost. Parents ann and frank are convinced that their 2-week-old baby devin smiles at them to engage them in parent-child interactions. on average, at what age do children begin to exhibit social smiles? Which words are an example of slant rhyme? hear and near swamp and damp fen and feeds warm and true Which type of bonds or interactions between atoms is the strongest? From your text, you may recall that there are 20 amino acids. how many of these amino acids would be considered essential to an adult human? Read this excerpt from Frankenstein, which is from Dr. Frankenstein's perspective: I passed the night wretchedly. Sometimes my pulse beat so quickly and hardly, that I felt the palpitation of every artery; at others, I nearly sank to the ground through languor and extreme weakness. Mingled with this horror, I felt the bitterness of disappointment: dreams that had been my food and pleasant rest for so long a space, were now become a hell to me; and the change was so rapid, the overthrow so complete! How does this passage best illustrate Victor's development as a character over the course of the novel? A.It shows that he goes from a man seeking love and happiness to someone who believes that neither one is possible. B.It shows that he goes from a man who wants to help the world to someone determined to kill another living being. C.It shows that he goes from someone doubtful of his abilities to reach his goal to someone confident in his ability to succeed. D.It shows that he goes from a man who delights in the company of other people to someone who seeks isolation. The United Nations has a large military to help enforce its missions across the world.True or False most true yams in mexico and Guatemala are known as famine foods and are not usually eaten true or false In right triangle ABC, B = 51 and AB = 14.BC = _____8.810.811.3 Provide the iupac name for this diethyldimethylhexane : Most people's earliest memories do not predate ________ of age. PLEASE HELP MEHe carefully prepared for his quest with a purifying sweat bath, and then he went alone to a high butte top to fast and pray. After three days he received his sacred dreamin which he found, after long searching, the white mans iron. He did not understand his vision of finding something belonging to the white people, for in that time they were the enemy. When he came down from the butte to cleanse himself at the stream below, he found the remains of a campfire and the broken shell of an iron kettle. This was a sign that reinforced his dream. He took a piece of the iron for his medicine bag, which he had made of elk skin years before, to prepare for his quest. He returned to his village, where he told his dream to the wise old men of the tribe. They gave him the name Iron Shell, but neither did they understand the meaning of the dream. The first Iron Shell kept the piece of iron with him at all times and believed it gave him protection from the evils of those unhappy days.Then a terrible thing happened to Iron Shell. He and several other young men were taken from their homes by the soldiers and sent far away to a white mans boarding school. He was angry and lonesome for his parents and the young girl he had wed before he was taken away. At first Iron Shell resisted the teachers attempts to change him, and he did not try to learn. One day it was his turn to work in the schools blacksmith shop. As he walked into the place, he knew that his medicine had brought him there to learn and work with the white mans iron.Iron Shell became a blacksmith and worked at the trade when he returned to the reservation. All of his life he treasured the medicine bag.What is symbolic about the piece of the iron that Iron Shell keeps in his medicine bag?A) It represents a mixing of two cultures.B) It explains how Iron Shell became a blacksmith.C) It represents a young man giving up on his traditions.D) It explains the history of the reservation. The economic exploitation of the far west after the civil war relied heavily on President Franklin Roosevelt sought to make the Monroe Doctrine a multinational policy as well as a national policy. This meant that Steam Workshop Downloader